Visual Illusion
a misperception of external visual stimuli that occurs as a result of a distortion or mistake when interpreting the stimuli
Perceptual distortion
an inconsistency, or ‘mismatch’, between a perceptual experience and physical reality; also called illusion
Müller-Lyer illusion
a visual illusion in which one of two lines of equal length, each of which has opposite shaped ends, is incorrectly perceived as being longer than the other
Ames room illusion
a perceptual misinterpretation involving a trapezium-shaped room which appears rectangular when viewed through a peephole using only one eye and people appear small or large, depending on where they stand in the room